html, body, #root {
  width: 100%;
  height: 100%;
}

#root {
  margin: 0 auto;
  /* padding: 2rem; */
  text-align: center;
}

.my-edit-box {
  display: flex;
    align-items: center;
    flex-direction: row;
  width: 100%;
  height: calc(100% - 46px);
}

.my-btn-box button {
  padding: 1px;
  margin-left: 1px;
  margin-right: 1px;
}